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Finding the Fourth Proportional to 98,675.88, 148,006.08 and 28,550.76

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Solution

The fourth proportional to 98,675.88, 148,006.08 and 28,550.76 is: 42,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,675.88 : 148,006.08 = 28,550.76 : x
  2. Step 2: Convert to fraction form
    98,675.88/148,006.08 = 28,550.76/x
  3. Step 3: Cross multiply
    98,675.88x = 148,006.08 × 28,550.76
  4. Step 4: Simplify right side
    98,675.88x = 4,225,686,068.62
  5. Step 5: Solve for x
    x = 4,225,686,068.62/98,675.88
  6. Step 6: Final answer
    x = 42,823.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.